<!-- 定义模版对象 -->
<template>
    <div class="login_container">
      <div class="login_box" >
        <!-- 头像区域-->
        <div class="avatar_box">
          <img src="../assets/3.jpeg" alt="VUE图片" />
        </div>

        <!-- 登陆表单区域
              ref代表当前表单引用对象
             :model 是表格中封装的对象
        -->
        <el-form ref="loginFormRef" label-width="0" class="login_form" :model="loginForm" :rules="rules" >
          <el-form-item prop="username">
            <el-input  prefix-icon="iconfont iconuser" v-model="loginForm.username"></el-input>
          </el-form-item>
          <el-form-item prop="password">
            <el-input  prefix-icon="iconfont iconsuo" type="password" v-model="loginForm.password"></el-input>
          </el-form-item>

          <el-form-item class="btns">
            <el-button type="primary" plain @click="register">去注册</el-button>
             <el-button type="primary" @click="login">登录</el-button>
              <el-button type="info" @click="resetBtn">重置</el-button>
          </el-form-item>
        </el-form>
      </div>
</div>
</template>

<!-- 定义JS变量 -->
<script>
export default {
  data(){
    return {
      loginForm: {
        username: '',
        password: ''
      },
      //收藏商品信息
      shoucangitem:null,
      //定义表单的验证规则
      rules: {
         //定义校验用户名
         username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max:30, message: '长度在 3 到 30 个字符', trigger: 'blur' }
         ],
         //定义校验密码
         password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 3, max:30, message: '长度在 3 到 30 个字符', trigger: 'blur' }
         ]
      }
    }
  },
  methods: {
  


    resetBtn(){
      //this对象代表当前组件对象
      //console.log(this)
      //实现数据重置
      this.$refs.loginFormRef.resetFields()
    },
    register(){
      this.$router.push("/register")
    },
    login(){
      //获取表单对象之后进行数据校验
      //valid 表示校验的结果 true表示通过  false表示失败
      this.$refs.loginFormRef.validate(async valid => {
         //如果没有完成校验则直接返回
         if(!valid) return

         //如果校验成功,则发起ajax请求
        const {data: result} = await this.$http.post('/user/login',this.loginForm)
        if(result.status === 201) {
          this.$message.error("密码错误！")
        }else if(result.status === 202){
          this.$message.error("用户不存在，请注册")
        }else{
        this.$message.success("用户登陆成功")
       
        //获取用户token信息
        //let token = result.data.token
        //window.sessionStorage.setItem("token",token)
        window.sessionStorage.setItem("username",this.loginForm.username)
        if(result.data.status1 === 4){
          alert("我是管理员登录页")
          //用户登录成功之后,跳转到home页面
          this.$router.push("/home")
        }else{
          alert("我是客户登录页")
          this.$router.push("/index")
        }
        }
      })
    }
  }
}
</script>

<!-- 防止组件冲突 -->
<style lang="less" scoped>
.login_container{
  background:url(../assets/img/10.jpg) no-repeat;
  background-size: cover;
  position: fixed;
  //background-color: #2b4b6b;
  height: 100%;
  width: 100%;


}

.login_box {

  //透明度
   opacity: 0.9;
  width: 450px;
  height: 300px;
  background-color: #C0C4CC/* #FFFFFF */;
  /* 设定圆弧角*/
  border-radius: 10px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);

  .avatar_box {
    height: 130px;
    width: 130px;
    border: 1px solid #EEEEEE;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #DDDDDD; /* 添加阴影*/
    position: absolute;           /* 绝对定位*/
    left: 50%;                    /* 距离左侧50%*/
    transform: translate(-50%,-50%);   /*回调50%*/
    background-color: #FFFFFF;
    img {
      height: 100%;
      width: 100%;
      border-radius: 50%;
      background-color: #EEEEEE;
    }
  }

  .btns {
    display: flex;
    justify-content: flex-end;

  }

  .login_form {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
  }
}
</style>
